Attachable beverage coaster



FIG. 1 is a perspective view of an attachable beverage coaster showingour new design, the broken lines are for illustrative purposes only andform no part of the claimed design;

FIG. 2 is a top view thereof;

FIG. 3 is a front view thereof;

FIG. 4 is a back view thereof;

FIG. 5 is a right side view, the left hand view being a mirror imagethereof; and,

FIG. 6 is a bottom view.

The ornamental design for a attachable beverage coaster, as shown anddescribed.